HD64336900G Datasheet, PDF (161/408 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Section 10 Timer B1
Timer B1 is an 8-bit timer that increments each time a clock pulse is input. This timer has two
operating modes, interval and auto reload. Figure 10.1 shows a block diagram of timer B1.
10.1 Features
• Selection of seven internal clock sources (φ/8192, φ/2048, φ/512, φ/256, φ/64, φ/16, and φ/4)
• An interrupt is generated when the counter overflows.
TMB1
PSS
TCB1
TLB1
[Legend]
TMB1:
TCB1:
TLB1:
IRRTB1:
PSS:
Timer mode register B1
Timer counter B1
Timer load register B1
Timer B1 interrupt request flag
Prescaler S
Figure 10.1 Block Diagram of Timer B1
IRRTB1
TIM08B0A_000020020200
Rev. 1.00, 11/03, page 133 of 376